General description These Lock Nut M3 M4 M5 M6 M8 M10 M12 Stainless Steel Hex Flange Nuts with Serrated Assortment Kit include 105 pieces in total, featuring 7 common sizes: M3, M4, M5, M6, M8, M10, and M12. Made from high-quality 304 stainless steel, these nuts are anti-corrosion and rust-proof, ensuring strength and durability. The unique tooth design increases frictional resistance between end faces, effectively preventing loosening. They are commonly used in steel construction, woodworking, machinery, and furniture, making them ideal for DIY projects or part replacements. Technical specifications Nut Type: Hex Serrated Flange Nut Material: 304 Stainless Steel Color: Silver Sizes: M3, M4, M5, M6, M8, M10, M12 Weight: 390 g Quantity: 105 pieces Package includes: 30 pieces x M3, 20 pieces x M4, 20 pieces x M5, 15 pieces x M6, 10 pieces x M8, 5 pieces x M10, 5 pieces x M12 Other information All stainless steel flange nuts are stored in a sorted storage box with a spec sheet for easy